20397+2516 BKO 615

20^h 39^m 39.56^s +25° 16' 16.2" P.A. 198.00 sep 10.6 mag 10.80,14.00

Coord 2000	20397+2516	Discov num	BKO 615	Comp		Coord arcsec 2000	20 39 39.56 +25 16 16.2
Date first	2000	Date last	2015	Obs	9
Pa first	198	Pa last	198	P.A. Now (θ)	198°
Sep first	10.6	Sep last	10.574	Sep. Now (ρ)	10.574"
Mag pri	10.80	Mag sec	14.00	delta mag (ΔM)	3.2	Spectral class
Pri motion ra	+002	Sec motion ra	-005
Pri motion dec	-002	Sec motion dec	-008
Notes

rPM=0.977

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Vulpecula

Tycho2

2174-00314-1

Gaia DR2

1855530604657752448

WDS 20397+2516 BKO 615 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Bko2002	C -	Ladanyi, T. & Berko, E.	...................
Bko2002		Webb Soc., Double Star Circ. 10, 2002
Bko2003	C u	Ladanyi, T., Berko, E. & Vaskuti, G	...................
Bko2003		Webb Soc., Double Star Circ. 11, 2003
Bko2004	C u	Berko, E., Ladanyi, T. & Vaskuti, G	...................
Bko2004		Webb Soc., Double Star Circ. 12, 2004
Bko2005	C u	Berko, E., Ladanyi, T. & Vaskuti, G	...................
Bko2005		Webb Soc., Double Star Circ. 13, 2005
Bko2008	C u	Berko, E. & Vaskuti, G.	...................
Bko2008		Webb Soc., Double Star Circ. 16, 2008
Bko2008b	C u	Berko, E.	2008JDSO....4..144B
Bko2008b		JDSO 4, 144, 2008
Bko2009	C u	Berko, E.	2009JDSO....5...49B
Bko2009		JDSO 5, 49, 2009
Bko2009b	C u	Berko, E.	2009JDSO....5..168B
Bko2009b		JDSO 5, 168, 2009
Bko2009c	C u	Berko, E.	...................
Bko2009c		Webb Soc., Double Star Circ. 17, 2009
Bko2009d	C u	Berko, E.	2009JDSO....5..189B
Bko2009d		JDSO 5, 189, 2009
Bko2010a	C u	Berko, E.	2010JDSO....6...21B
Bko2010a		JDSO 6, 21, 2010
Bko2010b	C u	Berko, E.	...................
Bko2010b		Webb Soc., Double Star Circ. 18, 2010
Bko2011a	C u	Berko, E.	2011JDSO....7....2B
Bko2011a		JDSO 7, 2, 2011
Bko2011b	C u	Berko, E.	...................
Bko2011b		Webb Soc., Double Star Circ. 19, 29, 2011 (BKO 898 - BKO 980)
Bko2011c	C u	Berko, E.	...................
Bko2011c		Webb Soc., Double Star Circ. 19, 42, 2011 (BKO 981 - BKO1042)
Bko2012	C u	Berko, E.	...................
Bko2012		Webb Soc., Double Star Circ. 20, 2012

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20397+2516	BKO 615		2008	2	197	10.8	10.80	14.00		D	203939.56+251616.2
20397+2516	BKO 615		2015	5	198	10.6	10.80	14.00			203939.56+251616.2

If you need more information about this double, apply for a data request form to the WDS.

WDS 20397+2516 BKO 615 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20397+2516 BKO 615 : MEASURES

No records found.

WDS 20397+2516 : VIRTUAL EYEPIECE

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Pass over with the mouse cursor to display the catalog designation.

WDS 20397+2516 : ALADIN DSS IMAGE @ 20^h 39^m 39.56^s +25° 16' 16.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20397+2516 BKO 615 : NEIGHBORHOODS

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Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		20397+2516	BKO 615		198	10.6
Show		20396+2515	POU4817		81	13.7	2
Show		20398+2512	BKO 617		285	4.9	5
Show		20401+2513	POU4835		296	18.6	6
Show		20401+2516	POU4839		340	22.0	7
Show		20396+2508	POU4821		218	18.5	9
Show		20403+2520	J 511		8	2.0	10
Show		20401+2509	POU4838		289	10.4	11
Show		20398+2505	POU4825		108	16.6	11
Show		20403+2510	POU4846		166	8.0	12
Show		20388+2511	POU4786		215	10.2	13
Show		20391+2525	POU4799		189	8.5	13
Show		20397+2503	POU4822		44	5.7	14
Show		20396+2503	POU4819		160	14.6	14
Show		20400+2503	POU4833		272	20.4	14
Show		20408+2521	POU4853		233	16.9	17
Show		20403+2501	POU4843		146	8.6	18
Show		20409+2510	POU4857		83	15.4	18
Show		20408+2505	POU4854		303	18.7	20
Show		20401+2458	POU4840		16	14.8	20
Show		20384+2505	POU4776		42	15.2	21
Show		20382+2511	AG 260		219	9.7	22
Show		20381+2520	POU4766		225	22.1	22
Show		20390+2456	POU4798		289	20.3	22
Show		20413+2513	POU4869		245	13.3	23
Show		20380+2518	POU4760		265	14.8	23
Show		20379+2522	POU4757		259	7.3	24
Show		20393+2452	POU4806		34	15.3	25
Show		20379+2523	BKO 834		294	9.0	25
Show		20382+2459	POU4771		262	13.3	26
Show		20389+2452	POU4793		90	13.9	27
Show		20403+2451	POU4845		150	15.4	27
Show		20401+2450	POU4834		35	5.7	27
Show		20384+2455	TDT2446		280	0.5	28
Show		20387+2452	POU4784		84	5.7	28
Show		20376+2511	POU4753		227	15.7	28
Show		20416+2510	POU4875		126	5.0	29
Show		20414+2500	J 512		89	2.4	29
Show		20378+2501	POU4755		280	16.1	29
Show		20386+2445	POU4782		208	10.1	30
Show		20398+2447	POU4828		343	18.1	30
Show		20375+2515	POU4750		106	17.3	30
Show		20405+2448	POU4850		280	5.3	31
Show		20398+2446	POU4826		20	5.6	31
Show		20386+2447	POU4783	AB	61	12.4	31
Show		20386+2447	BKO 609	AC	167	9.6	31
Show		20415+2459	POU4874		198	8.8	32
Show		20385+2449	BKO1050		48	5.6	32
Show		20389+2446	POU4791		63	7.1	32
Show		20373+2517	POU4744		127	12.5	32
Show		20420+2510	POU4888		353	17.2	33

WDS 20397+2516 : COMPONENTS

	A
B	pa=196.4° sep=10.48"

20397+2516 A

Componente originario normalizzato	AB		Coord arcsec 2000	203939.56+251616.2		Mag	10.8		PmRA	2.00
PmDE	-2.0		Tycho2	2174-00314-1

Tycho2

Tycho2	2174-00314-1	Pflag		RAmdeg	309.91484081	DEmdeg	25.27120665
PmRA	0.9	PmDE	-0.2	E RAmdeg	100	E DEmdeg	110
E pmRA	4.1	E pmDE	4.1	EpRAm	1984.35	EpDEm	1982.06
Num	2	Q RAmdeg		Q DEmdeg		Q pmRA
Q pmDE		BTmag	14.417	E BTmag	0.644	VTmag	11.638
E VTmag	0.144	Prox	999	TYC		HIP
CCDM		RAdeg	309.91483833	DEdeg	25.27120694	EpRA 1990	1.63
EpDE 1990	1.55	E RAdeg	103.7	E DEdeg	116.7	Posflg
Corr	0.0

20397+2516 B

Componente originario normalizzato	AB		Coord arcsec 2000	203939.34+251606.1		Mag	14		PmRA	-5.00
PmDE	-8.0		Calc delta mag	3.2		Calc coord	yes